Merge pull request #49 from Valdocco/29_sftp_scan_directory_recursive_fix

29 scan directory recursive fix

Author: Herzult

src/Ssh/Sftp.php

@@ -288,8 +288,10 @@ private function scanDirectory($directory, $recursive)
 
                 if ($recursive) {
                     $children    = $this->scanDirectory($filename, $recursive);
-                    $files       = array_merge($files, $children[0]);
-                    $directories = array_merge($directories, $children[1]);
+                    if (is_array($children)) {
+                        $files       = array_merge($files, $children[0]);
+                        $directories = array_merge($directories, $children[1]);
+                    }
                 }
             }
         }